In the Mail Folder Access Permissions window, find the Permissions summary list and scroll down to the folder whose list you want to edit.
Click Edit Permissions to display the Set Permissions window for the folder.
In the Delete User column, click the button next to the name of any users whose name or ID you want to change. You can delete more than one user at a time.
The user name (or names) disappears from the folder's access list.
Click OK to submit your changes and return to the Mail Folder Access Permissions window.
Click Save Permissions to delete the user.
Enter the name or userID that you want to add to a folder in the Add User field.
If you want to search for a user, click the Search button to use the Search for Users Window. For detailed instructions, see Searching for Users.
Note: The name appears in the user list for the folder just as you type it in this field. No checking or verifying takes place. You might consider searching for a user as a way to make sure that the name you add is spelled correctly and is in the mail system.
Click Add.
The new user is added to the list of users for this folder in the Set Permissions section -- just as you typed it in the Add User field. The new user has the default access of Read Only.
In the User column, find the user and select the permission level you want to set from the Permission drop-down list.
Click OK to set the permissions.
In the Mail Folder Access Permissions window, the permissions appear in the Permissions Summary for the folder.
Check your changes to make sure that they are what you intended.
Click Save Permissions.